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Fluke Insulation Testers: Insulation Resistance Tester Fluke 1503 | Fluke pneumatic product available at Shri Narayan Machinery LLP Noida
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Fluke Insulation Testers: Insulation Resistance Tester Fluke 1503

Before you energize a motor or cable, the Fluke 1503 tells you if the insulation will hold: 500V and 1000V test voltages measure 0.01 MΩ to 2000 MΩ, covering wiring checks through high-resistance winding tests. Two safety features do real work here: live circuit detection blocks the test if more than 30V is present, and auto-discharge bleeds off capacitive charge after every test. A 0.01 Ω to 20.00 kΩ low-resistance range handles continuity and ground bond checks, so one CAT III-rated handheld covers commissioning and maintenance both. Motor rewinders, electrical contractors, and plant maintenance teams across Noida-NCR keep a 1503 in the kit. Stocked at Sector 9, Noida; WhatsApp for price.

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Model: Fluke 1503Insulation Test Range: 0.01 MΩ to 2000 MΩTest Voltages: 500V and 1000VResistance Range: 0.01 Ω to 20.00 kΩ

Key Features

Insulation resistance measurement from 0.01 MΩ to 2000 MΩ for comprehensive insulation testing
Dual test voltages: 500V and 1000V for low-voltage and medium-voltage insulation verification
Live circuit detection: Automatically blocks test if >30V is present, protects operator and equipment
Resistance measurement: 0.01 Ω to 20.00 kΩ for continuity and ground bond testing
Combines insulation tester and continuity tester in a single compact instrument
Auto-discharge of capacitive charge after insulation test for safe handling
CAT III safety rated for industrial and commercial electrical systems
Rugged handheld design for field use in panels, motor control centers, and substations

Technical Specifications

ModelFluke 1503
Insulation Test Range0.01 MΩ to 2000 MΩ
Test Voltages500V and 1000V
Resistance Range0.01 Ω to 20.00 kΩ
Live Circuit DetectionBlocks test if >30V detected
Safety RatingCAT III rated
Auto-DischargeYes, safely discharges capacitive loads after test
Power SupplyBattery operated (field portable)
DisplayDigital LCD with backlight
Measurement ModesInsulation resistance, low-ohm resistance, continuity
WeightLightweight handheld design for single-hand operation
Warranty1 year manufacturer warranty

Applications

The Insulation Testers is used across a wide range of industrial applications:

  • Motor winding insulation testing during preventive maintenance programs
  • Cable insulation verification before energizing new installations
  • Transformer insulation resistance checks during commissioning
  • Switchgear and bus bar insulation testing during shutdowns
  • Ground bond and continuity testing on electrical installations
  • Verifying insulation degradation trend over time for predictive maintenance
  • Pre-commissioning electrical testing for new construction projects
  • Troubleshooting insulation failures on ageing electrical assets

Industries Served

Manufacturing and factory maintenanceElectrical contracting and installationPower generation and distributionHVAC and motor-driven equipmentConstruction and commissioningFacility management and asset maintenance

Need Insulation Testers? Get the Best Dealer Price

As your Fluke dealer, Shri Narayan Machinery LLP offers competitive pricing on the full Insulation Testers range. Call us for availability and your best quote.

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C-101, Sector 9, Noida, Uttar Pradesh 201301 | Fluke Dealer

Frequently Asked Questions: Insulation Testers

The Fluke 1503 is an insulation resistance tester (commonly called a megger) used to verify electrical insulation. It applies a controlled test voltage (500V or 1000V) and measures insulation resistance in megaohms. Common uses include motor windings, cable insulation, transformer insulation, and switchgear, essential for preventive maintenance and commissioning in any industrial or commercial facility.

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